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Automatic gain control method and device, receiver and ultra-wideband communication system

A technology for automatic gain control and signal reception. It is used in baseband systems, baseband system components, and shaping networks in transmitters/receivers. The effect of precise baseband power control

Active Publication Date: 2021-06-22
SHENZHEN GIANT MICROELECTRONICS CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] In view of this, an embodiment of the present invention provides an automatic gain control method, device, receiver and ultra-wideband communication system to solve the problem that the existing automatic gain control has a long convergence time, which cannot meet the needs of ultra-wideband systems in a short time. The problem of completing signal synchronization within

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  • Automatic gain control method and device, receiver and ultra-wideband communication system

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0033] It should be noted that the automatic gain control method provided in the embodiment of the present application can be applied to communication systems such as narrowband and broadband, preferably, it is suitable for ultra-wideband communication systems. This method is used to solve the existing self-gain control needs The signal can be converged by ad...

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Abstract

The invention discloses an automatic gain control method and device, a receiver and an ultra-wideband communication system, and particularly relates to the technical field of wireless communication. The method comprises the following steps: presetting a power threshold of a received signal; judging whether the power of the received signal meets the power threshold based on the power threshold; and if the power of the received signal meets the power threshold, performing analog gain control according to the power of the received signal. The power threshold of the received signal is preset to obtain the ideal power of the received signal, and then the power of the received signal meeting the power threshold is utilized to perform analog gain control, so that the gain adjustment frequency is reduced, signal convergence is completed in a short time, the synchronization of the ultra-wideband signal in the time domain and the frequency domain can be completed in a short time, and the stability of signal transmission can be ensured.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to an automatic gain control method, device, receiver and ultra-wideband communication system. Background technique [0002] In the prior art, automatic gain control uses the analog front end of the receiver to first estimate the power of the received received signal, then compares the estimated power value with the threshold value of the corresponding signal energy, and then based on the comparison result , the baseband signal is adjusted by controlling the analog gain, and finally the process of power estimation and analog gain adjustment is repeated until the received signal converges. Although the existing automatic gain control method realizes the control of the input voltage after analog-to-digital conversion, the existing automatic gain control takes a long time to converge. [0003] Moreover, in an ultra-wideband system, in order to obtain more accurate data ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/16H04L25/03
CPCH04B1/16H04L25/03019Y02D30/70
Inventor 高敬伯赵少华丁杰伟
Owner SHENZHEN GIANT MICROELECTRONICS CO LTD
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